man - format and display the on-line manual pages

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2
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1answer
1k views

RHEL: man page for interface configuration files

How to get the man page for ifcfg-$Interface files? Something like man 5 $Keyword for /etc/sysconfig/network-scripts/ifcfg-enp0s3. Is there not a man page? Is the keyword wrong? RHEL:~# cat /etc/os-...
2
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3answers
128 views

Find contents of a man page

Can I find the contents of a man page? man bash is almost 6000 lines long, and I would like to know the section headings within the page.
1
vote
1answer
92 views

View a man page in a specific section

I wanted to access man pages for command chmod. Command whatis chmod gave this output: chmod (2) - change permissions of a file chmod (1) - change file mode bits But I was ...
1
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0answers
59 views

Why some strings are quoted with double backticks and double single quotes in man pages? [duplicate]

For example, in the yes man page: yes outputs expletive, or, by default, ``y'' Why is "y" quoted this way?
2
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0answers
86 views

What are the difference between man1, man2, man3… folders? [duplicate]

Possible Duplicate: What do the numbers in a man page mean? What are the differences between manX pages? Why are they separated?
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2answers
221 views

man pages: meaning of '2' in STAT(2)? [duplicate]

What's the significance of the number, like the 2 in STAT(2), seen in man pages? For example, man 2 stat yields a man page with STAT(2) at the top and a description that begins, The stat() function......
1
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0answers
94 views

man causes a broken pipe when using a pager other than less

I'm trying to write a simple script to format my man pages, but I've run into a broken pipe error. These lines both cause the error: env MANPAGER=cat man $foo man -P cat $foo and this is the ...
1
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3answers
2k views

How to install/make the kernel section 9 manpages which document its functions and data structures?

The kernel sources contain functions and data structures which are documented, for instance in panic.c: /** * panic - halt the system * @fmt: The text string to print * * Display a message, ...
5
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1answer
809 views

How does Solaris find man pages?

Initially, my MANPATH environment variable is not set. Despite this, I can use the man command to view most man pages as usual. man top can't find that particular man page, but which man tells me ...
9
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3answers
9k views

Man pages for standard C and C++ libraries on Fedora 14

How do I install them? At present, man fopen gives me No manual entry for fopen. I have the compilers installed and have verified that things do build without problems. Update: This is what I got ...
11
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3answers
8k views

Where is “showing the output of the 'ls' command vertically” documented?

I found out it's possible to show the output of the ls command vertically using the -1 switch: $ ls -1 But couldn't find it in the manual of ls. Is it a secret option?
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0answers
38 views

Searching in man pages [duplicate]

Recently, I stumbled over some configuration files. To gather more information about its structure and how the its used, I either do a quick research on the internet (just ask Google) or use the man ...
0
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1answer
203 views

Why are man pages blank for non-root users?

. . . And how can I fix that? :-) I'm running RHEL 5 and when I try to view man pages as a regular user, they are blank. I've tried man man > manman.txt; cat manman.txt and there is no output, i....
4
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3answers
179 views

Man page with preserved text decorations, proportional text and fixed-width code

How can I get contents of a man page without the text being wrapped around column 80 or so? I'd prefer the output to have proper formatting, line bolding, underscores, fixed-width font for examples ...
2
votes
1answer
60 views

How to run man with formatting in not interactive shell

I have webpage that process ANSI codes and output from man command (underline A as A\x08_) and I call php shell that execute bash -c "<command>" and print the output on the webpage. On the ...
4
votes
1answer
63 views

Is there a man section or other doc repository for data structure definitions?

For the millionth time or so I had to look in /usr/include/foo.h to find the members of a struct foo or foo_t or whatever. There's a man section for library and kernel calls, some of which include ...
1
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1answer
28 views

Does info also look up manpage?

Besides man, info can also provide information of a command. For the commands I have tried, I find that info provides the same information as man. So I wonder if info always look up manpages? What ...
4
votes
1answer
50 views

What does “spanning files” mean in the help of Manpage?

I open a manpage of some command, and then hit h. In the help, for the search part, what does "spanning files" mean? What are "files" refereed to? I search a pattern, and hit n to repeat the ...
-1
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1answer
156 views

man command: is there a way to know the meaning of the output of a command >

Is there a way to know the meaning of the output of a command? Example given: If I type ls -l, I get this ouput: [root@localhost junk]# ls -l total 8 -rw-r--r-- 1 root root 1862 2012-08-25 16:20 a -...
10
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1answer
508 views

Is there a standard for writing a command synopsis?

It appears to me that everyone has their own idea on how to write a synopsis describing command usage for the end user. For example, this is the format from man grep: grep [OPTIONS] PATTERN [FILE...]...
4
votes
2answers
343 views

How do you correctly extract all command synopses from manpages in /usr/share/man/man1?

I'm trying to extract all command synopses from manpages in /usr/share/man/man1 using: #!/usr/bin/env bash ## synopses - extract all synopses in /usr/share/man/man1 cd /usr/share/man/man1 for i in *....
2
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1answer
123 views

How to match a particular form of optional sequence from a manual synopsis, including variations?

In this Q&A there is a reference to the manpages synopses being based "loosely" on the Extended Backus–Naur Form of metasyntax notation. It's interesting and serves as background. That being said, ...
11
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3answers
311 views

Search for man pages which contain ALL of the words 'foo' 'bar' and 'baz'

I'd like to search for man pages which contain ALL of the words 'foo', 'bar' and 'baz'. If possible, I'd like to search through all text (not just name & description) of all man pages. I'm ...
3
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4answers
836 views

How to divide the output of one command by the output of another?

I would like to know the server load divided by the amount of CPU cores in order to judge which servers are overloaded. I can get the amount of CPU cores with: $ grep -c processor /proc/cpuinfo 2 I ...
1
vote
1answer
31 views

Can't search for flags in qalter's man page?

I was trying to find out what qalter's -r flag does, but I can't search for -r when viewing the man page for it (pattern not found). Yet it's clearly there. If you scroll down a bit you'll see it. Why ...
4
votes
1answer
3k views

Where is the documentation for net.ipv4.conf.all.log_martians?

Where is the documentation for net.ipv4.conf.all.log_martians sysctl setting? There are man pages for various other TCP/IP/UDP (man 7 tcp, man 7 upd, man 7 ip) settings, but I cant find the net.ipv4....
2
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2answers
5k views

uuencode Command not found but man working fine

I am trying to mail using uuencode but it says command not found while if I check man, I get it proper without any error. Is it that my binary has gone and just docs remaining ? This is unusal though !...
15
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1answer
319 views

Is there a way to search manpages for typical use scenario?

I have a relatively small brain, so there is a limit to what I can store up there. I have been using Linux semi-pro-amateur for a few years and still I am amazed at how little commands I know. Simple ...
2
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1answer
28 views

Correct way to document variable length options in man pages

Sometimes I see usage information like some_utility [arg [arg [...]]] or some_utility [arg[, arg[...]]] that indicates that you can pass more than one of the same argument. I've also seen it ...
1
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1answer
39 views

Forwardticks in example command in `man emerge`: local misconfiguration or typo?

In Manpage of EMERGE it is stated: To find files that need to be updated in /etc, type find /etc -iname ´._cfg????_´* Taking a closer look at it (copy-pasted from terminal -- not from the online ...
6
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2answers
365 views

Is there a archive of old man pages? specifically for the features available for grep in early 'ed'

This is just a bit of history rummaging... I'd like to know how different today's grep is to the original implementation, introduced by Ken Thompson in ed. which evolved to ex, which then became vi... ...
3
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1answer
76 views

Apropos always returns several duplicate matches from whatis

When I run apropos or man -k in bash, it always returns the same item (at least one) twice: Question Why is it doing this; and would it indicate that there's a possible configuration issue with my ...
1
vote
1answer
273 views

How do I display a manpage with groff in/on msysgit?

I've been unable to correctly set up a MANPATH environment variable in msysgit (1.9.0; 20140217) on Windows 7 (which is not my main concern here). Every time I execute the man command, I recieve the ...
1
vote
1answer
125 views

How to install man command for chef

I want to see manual for chef with command man knife-cookbook. But it looks like manuals are not installed by default install gem install chef. I found the man page of knife cookbook. http://manned....
3
votes
2answers
688 views

What does tail -0a do?

In the documentation for logstash, they mention the command tail -0a I have never heard of the -a flag and I can't find any information on google, tail --help or the man pages. What is the ...
3
votes
3answers
849 views

if/then/else man page

I would like to know if there is any man page documenting the construction of the most basic script commands like if/then/else, while, for each, and all the relative switches, like -eq, -e, -ge, and ...
3
votes
1answer
51 views

How can I track changes in man pages?

I want to know about changes of man pages after updating software or a operating system completely. Or get a list of revisions for a specified man page. This will not reread the full man page again ...
3
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1answer
38 views

Have man pages display how far I am through the file

With less, the -m flag extends the prompt to include a percentage. But how do I get man to do the same thing?
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2answers
92 views

Why the duplications in the command line output

Entering the following command prints duplicates as shown below. Not all lines print twice but some do. What gives? XXXX:~ XXXX$ man -k pid pid(ntcl) - Retrieve process identifiers ...
2
votes
3answers
412 views

When does one get the error message “jobs : not found”?

When does the jobs command issue the message jobs : not found? Also, why does the command man jobs refuse to show any entry for the command jobs? P.S. : I am able to successfully execute the jobs ...
1
vote
2answers
2k views

How to download all man pages for read offline?

I like read man pages offline instead of search manual on the web. I saw some commands does't have man pages on the machine but exist on internet. For exampe there is no man pace of the xrdb command ...
6
votes
3answers
3k views

localization of man pages on Linux (Ubuntu)

Is there an option to output a manual page in a different language? I don't want to change the computer language completely, but only specific manual pages. For example $ man -English man Man is a ...
4
votes
3answers
122 views

Specify the sector of manpage

When man declare in bash, I get the manpage of declarein sql. But I would like to get the manage of declare in shell. How can I do that?
2
votes
2answers
389 views

How to highlight some text on a man page? [duplicate]

I find the manuals very difficult to read using the terminal. Is there a way to highlight specific text on the terminal? I tried piping to gedit using man man | gedit, but it opens a blank file ...
0
votes
1answer
67 views

Better help for bash?

I needed to know syntax for for loop in bash in a certain range of numbers. I typed help for but it didn't have this information. Then I learnt from some online article that the syntax is for i in {1.....
7
votes
2answers
77 views

texinfo: Can I write non-english info files? Such as Chinese, and how?

Most gnu manual files use info, write a texinfo then makeinfo produces info files, it's great. Can texinfo contain non-English characters then produce non-English infos or pdfs? How can I write ...
2
votes
2answers
53 views

Generate man page in realtime?

I'm working on a command line scripting framework. We would like to generate man pages for our commands. However they are quite dynamic depending on your installation. So ideally we could intercept ...
4
votes
1answer
121 views

Where is the description of man sections' contents?

I have read in many places that section 1 is about User Commands , section 2 about kernel API , section 3 about C library ...so on and so forth. My question is this: How do you get to the short ...
4
votes
4answers
899 views

Any way to cat few lines of man page to show on stdout for reference?

This is a simple question. Trying my best to put it in simple word. Hope you get it without much confusion - I read a man page for some command-switch/option which has a long description. I read it, ...
10
votes
2answers
2k views

Case insensitive search in man pages

Is there a way to search man pages case-insensitively? Using the '/' search feature matches exact case.